100% Cotton brand new. Machine wash. Twin size only left 1. 100% cotton percale, 200-thread count. A percale weave is noticeably denser and wears well over time. Machine wash. Fitted sheet has universal elastic (elastic around the entire edge) for a snug, secure fit. Twin XL sheeting has a longer fitted sheet to accommodate both standard twin and standard twin XL dorm mattresses. Pillow insert sold separately. Twin include a flat sheet, fitted sheet and 1 standard pillow case Twin Size Fitted Sheet: 39" wide x 79" long; fits mattresses up to 12" deep Flat Sheet: 66" wide x 96" long Standard Pillowcase: 30" wide x 20" high